Dog water ramp



FIG. 1 is a top perspective view of a dog water ramp showing my new design;

FIG. 2 is a back side view thereof;

FIG. 3 is a front side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dash-dash broken lines in the drawings depict portions of the dog water ramp that form no part of the claimed design. 

CLAIM The ornamental design for a dog water ramp, as shown and described. 